Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4dc9980f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Merge::execute

Drupal\Core\Database\Query\Merge::executeRun #519d4cd4e396dRun #519d4dc9980f7DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)4,830 4,900 70 1.4%
Incl. Wall Time (microsec) per call 4,830 4,900 70 1.4%
Excl. Wall Time (microsec)87 104 17 19.5%
Incl. CPU (microsecs)1,839 1,872 33 1.8%
Incl. CPU (microsecs) per call 1,839 1,872 33 1.8%
Excl. CPU (microsec)68 83 15 22.1%
Incl. MemUse (bytes)45,012 45,012 0 0.0%
Incl. MemUse (bytes) per call 45,012 45,012 0 0.0%
Excl. MemUse (bytes)-6,764 -6,764 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Merge::execute [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Query\Merge::execute0 N/A% 70 0.5% 33 0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function17 24.3% 15 45.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 70 100.0% 33 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Update::execute0 N/A% 63 90.0% 17 51.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -15 -21.4% -16 -48.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% 7 10.0% 22 66.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% -1 -1.4% -2 -6.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -1 -1.4% -1 -3.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::condition0 N/A% 0 0.0% 1 3.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::fields0 N/A% 0 0.0% -1 -3.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% 0 0.0% -2 -6.1% 0 N/A% 0 N/A%
count0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%